Re: Add Postgres module info

Andrei Lepikhov <lepihov@gmail.com> writes:
> It makes sense. But I want to clarify that I avoided changing 
> PG_MODULE_MAGIC because the newly introduced structure has a totally 
> different purpose and usage logic: the struct is designed to check 
> compatibility, but module info isn't connected to the core version at 
> all: a single version of the code may be built for multiple PG versions. 
> At the same time, various versions of the same library may be usable 
> with the same core.

Surely.  But I don't see a need for two separately-looked-up
physical structures.  Seems to me it's sufficient to put the
ABI-checking fields into a sub-struct within the magic block.

			regards, tom lane